>>shepard: thank you, john roberts. rebound is keeping a low profile today as he prepares for the debate on wednesday. he is holding mock debates near las vegas with a former democratic white house hopeful, john kerry, playing the role of governor romney. both sides seem to be trying to lower expectation for wednesday, even president obama himself yesterday acknowledged to supporters a rally today, that his debate skills could be rusty. >> folks in the media speculate on would will have the best zingers. or who will put the most points on the board. governor romney is a good debater. i'm just okay. >>shepard: it is likely no coincidence that the president picked never -- nevada for preparations. g.o.p. is back in las vegas, and nevada could really be important, and, difficult, really, for president. it is at the heart of the foreclosure crisis. >>reporter: no doubt and the unemployment rate state-wide is worse than the national average. the president is trying to down play the expectations for the first debate by saying